tstack/lnav — pull request #119 by sureshsundriyal (2014-11-12 07:50:32+00:00)
Title: [log_accel] Minor refactoring.

Unless I am misunderstanding the intention behind the equation:

(A - D)/C - (B - D)/C = (A - B)/C

The output seems to be exactly the same:

Before:
=======
1m7s000│Nov 11 06:45:01 XXX-XXX CRON[28452]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
11m7s000│Nov 11 06:55:01 XXX-XXX CRON[28819]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
21m7s000│Nov 11 07:05:01 XXX-XXX CRON[29186]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
31m7s000│Nov 11 07:15:01 XXX-XXX CRON[29552]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
33m7s000│Nov 11 07:17:01 XXX-XXX CRON[29629]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
41m7s000│Nov 11 07:25:01 XXX-XXX CRON[29922]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
51m7s000│Nov 11 07:35:01 XXX-XXX CRON[30290]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
1h1m7s000│Nov 11 07:45:01 XXX-XXX CRON[30657]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)

After:
======
1m7s000│Nov 11 06:45:01 XXX-XXX CRON[28452]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
11m7s000│Nov 11 06:55:01 XXX-XXX CRON[28819]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
21m7s000│Nov 11 07:05:01 XXX-XXX CRON[29186]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
31m7s000│Nov 11 07:15:01 XXX-XXX CRON[29552]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
33m7s000│Nov 11 07:17:01 XXX-XXX CRON[29629]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
41m7s000│Nov 11 07:25:01 XXX-XXX CRON[29922]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
51m7s000│Nov 11 07:35:01 XXX-XXX CRON[30290]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
1h1m7s000│Nov 11 07:45:01 XXX-XXX CRON[30657]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)

Some names and identifying details in the log snippets above have been changed
to protect the privacy of individuals. Any resemblance to actual computers,
sentient or otherwisei, is purely coincidental.